Under normal circumstances, most modern engine oil and gasoline brands work fine on their own to keep your engine running smoothly. But there may be cases where even the best of them could use a ...

Engine oil turns black from a combination of combustion byproducts, heat oxidation, and detergent additives suspending carbon particles in the fluid. Black oil is not automatically a sign of a problem ...

Additives are like energy drinks for your engine or at least that is how they are marketed. The additives supposedly help your engine to run smooth, become more powerful and fuel efficient, protect ...

As someone who's driven classic cars daily for around 15 years, as well as working on and restoring such cars throughout my education, I take vintage automotive maintenance very seriously. Many of ...

Buying high end oil for your vehicle might cost more in the short term, but it will significantly extend the life of your engine. That's the finding University of Texas engineer Pranesh Aswath and his ...

We have all heard and probably used fuel additives. These are compounds that improve the performance of your engine by enhancing the quality and efficiency of fuel used. Different additives are ...

Q: The other day I stopped at a Shell station and found their higher-octane gas contained nitrogen. I believe that information posted about the gas said nitrogen was an additive. All of the concerns ...

Fuel additives improve the performance of an engine in terms of fuel efficiency, acceleration and top speed. There are different additives for petrol and diesel. They are designed to clean fuel ...

Back in the 1980's there was a Valvoline ad campaign using a series of laconic drivers at the wheel of cars fully invested in their smoking death throes who used the tag line "Motor oil is motor oil." ...

Given the chore of changing it every few months, the typical motorist realizes that engine oil degrades over time. Some will also notice the mysterious codes for the different grades—10W-40, 5W-30, ...